About
HSK levels

    门槛 門檻

    ménkǎn

    1. doorstep; sill; threshold
    2. fig. knack or trick (esp. scheme to get sth cheaper)

    你需要跨过门槛才能进入房间。 Nǐ xūyào kuà guò ménkǎn cái néng jìnrù fángjiān.